Low cost airlines — St. Louis, MO

Last updated: September 24, 2026

What affects the price

Flight prices fluctuate based on a few key factors. Booking well in advance usually helps, while last-minute tickets often come at a premium. The day of the week you fly and your chosen destination play a big role, as popular routes during peak travel times naturally cost more. Cabin class, baggage allowances, and flexible cancellation policies also shift the final total. We help you navigate these options to find what works for your budget. Exact pricing confirmed free on the call.

About this service

Low cost airlines offer a no-frills experience that keeps base fares down. You pay for the seat, and then choose which extras, like bags or seat assignments, you actually need. This model is great for travelers who want to save money by opting out of services they won't use. Costs typically vary depending on how far in advance you book.

Frequently asked in St. Louis

Also serving nearby: O Fallon · Springfield · Columbia · Champaign · Peoria

All cities in Missouri →

More on this: TSA travel tips — security screening and what to bring.

Service area details

Serving all of St. Louis — population 281,754; about 4,565 residents per square mile across 61.7 sq mi.

Neighborhoods served in St. Louis: The Hill, Central West End, Soulard, Tower Grove East, CWE — and every surrounding area.